A call came in for a temporary connection to be made on a client’s site to enable a new transformer to be installed. Failure of the temporary solution would have caused difficulty and inconvenience for many thousands of people on a major rail route into London.
Within minutes of the call, we had contacted the client and arranged to carry out a site visit to design a safe method of working. We considered the job and ensured that suitable equipment would be provided for our team. In conjunction with the clients engineering team, we established a switching program and designed a suitable means of safe isolation. This called for switching operations and locks to be applied in a correct order to prevent injury and damage.
Very early one weekend morning, the specified equipment, provided by a global temporary power provider, was installed, tested, and signed off by HPES Technical Solutions Ltd. We followed the carefully designed method and ensured our risk assessments were fully considered. An allowance had to be made for a new structure, housing a new DNO transformer, to be craned in, and for the temporary HO7RNF cables to be removed after it had been set in place.
A week later, another early morning saw the equipment removed and set ready for collection. This followed another bespoke switching program.
The client was happy that the whole backup operation was carried out safely and the method we designed was followed to the letter. The power down time for installation and removal was limited to a few minutes because of the equipment selected and the method that we designed. The successful outcome was testament to the experience and expertise we bring to our planning, and the commuters were none the wiser!
Credit to Dave, Nick and Rob for efficient work and getting out of bed very early!
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